U5L3 Theoretical Probability

Three coins are tossed. Find the probability that two land on heads.

• 1/2

• 1/8

• 1/6

• 3/8

A month is randomly chosen. What is the probability that the month chosen has less than 31 days?

• 1/2

• 7/12

• 3/4

• 5/12

What is the probability of drawing a 9 or diamond from a standard deck of cards?

• 4/13

• 13/52

• 1/52

• 1/13

Credit cards place a three-digit security code on the back of cards. What is the probability that a code starts with the number 7?

• 1/10

• 1/100

• 1/1000

• 1/10000

Two dice are rolled. What is the probability of not getting doubles?

• 1/6

• 5/6

• 2/3

• 1/3

Mikayla has the following songs on her iPod: 14 Taylor Swift songs, 16 Meghan Trainor songs, and 17 Katy Perry songs. What is the probability that the next song that plays is not Katy Perry?

• 14/47

• 17/47

• 30/47

• 16/47

A dice is rolled, then a coin is tossed. What is the probability of getting a 5 then tails?

• 1/2

• 1/6

• 1/12

• 1/4

A coin is tossed, then a number 1-10 is chosen at random. What is the probability of getting heads then a number less than 4?

• 1/2

• 3/20

• 1/3

• 3/10

Natalie guessed on the last four true or false questions on her math quiz. What is the probability that she got all four questions correct?

• 1/2

• 1/4

• 1/12

• 1/16

A card is drawn from a standard deck and a letter is chosen from the word INCREDIBLE. What is the probability of drawing a king then getting an I?

• 1/13

• 1/65

• 2/10

• 6/52